CSDZ-20SH-1.1G DIRECTIONAL COUPLER REV: 002, 05/31/07 TECHNICAL DESCRIPTION FEATURES • 0.96 - 1.220 GHz • LOW LOSS • LOW VSWR • HIGH POWER • HIGH DIRECTIVITY • SURFACE MOUNT • TAPE & REEL The Multi-Mix® CSDZ-SH series provides a 20 dB coupler with low insertion loss, low VSWR, and high directivity. Accurate coupling factors make them ideal for applications involving power amplifiers, signal distribution and processing. CSDZ-SH Directional Couplers are fusion bonded multilayer stripline assemblies. The fusion bonding process yields a homogeneous monolithic dielectric structure with reliability, ruggedness, and electrical performance that is superior to conventional adhesive bonding techniques. GENERAL SPECIFICATIONS FREQUENCY RANGE GHz MEAN COUPLING INSERTION LOSS (dB MAX) VSWR (MAX) FREQUENCY SENSITIVITY (dB MAX) 0.96 - 1.220 20 ± 0.5 dB 0.20 1.15:1 ± 0.30 DIRECTIVITY (dB, MIN) INPUT POWER SIZE (INCHES) WEIGHT (OZ./GRAMS) RF INTERFACE 20 125 W 0.56 x 0.20 x 0.068 0.02/0.6 Leadless Surface Mount OPERATING TEMPERATURE -55° - +95° C PACKAGE OUTLINE / TAPE & REEL ORIENTATION DIRECTION OF FEED P 0 PAD 1 K 0 .560 [14.22] PORT 1 PORT 4 .024 [0.61] TYP. .068 [1.72] W "A" "A" B0 .200 [5.08] CSDZ-20SH-1.1G .311 PLATED THRU 2 PLACES [7.90] .062 [1.57] PLATED THRU 4 PLACES PORT 3 .050 [1.27] P 1 MARKED SIDE UP A PORT 2 0 SECTION "A"-"A" W ENGLISH (in) 0.9449 METRIC (mm) 24.00 P1 0.3150 8.00 P0 0.1575 4.00 A0 0.2150 5.46 B0 0.5752 14.61 K0 0.0850 2.16 THE MULTI-MIX MICROTECHNOLOGY® GROUP IS ISO 9001:2000 REGISTERED U.S. Patent 6,099,677 and other Patents Pending. Merrimac Industries / 41 Fairfield Place, West Caldwell, NJ 07006 Tel: 1.888.434.MMFM / Fax: 973.882.5990 / Email: [email protected] / www.merrimacind.com Insertion Loss Coupling -18.000 0.50 0.30 -19.000 (dB) (dB) 0.10 -20.000 -0.10 -21.000 -22.000 960 -0.30 992.5 1025 1057.5 1090 1122.5 Frequency (MHz) 1155 1187.5 -0.50 960 1220 992.5 1025 1057.5 1090 1122.5 Frequency (MHz) 1155 1187.5 1220 1155 1187.5 1220 VSWR Port1 Port2 Port3 Directivity Port4 0.000 1.3 1.25 -10.000 1.2 -20.000 (dB) VSWR CSDZ-20SH-1.1G TYPPICAL PERFORMANCE 1.15 -30.000 1.1 -40.000 1.05 1 960 992.5 1025 1057.5 1090 1122.5 Frequency (MHz) 1155 1187.5 -50.000 960 1220 992.5 1025 1057.5 1090 1122.5 Frequency (MHz) MOUNTING CONFIGURATION 50 OHM LINE .032 DIELECTRIC THICKNESS ER= 3.38 0.447 [11.35] GROUND VIAS PLATED THRU 0.100 [2.54] 0.034 typ. [0.86] 0.200 [5.08] 0.050 [1.27] 0.0630 [1.60] 0.068 [1.73] GROUND PLANE Ground plane of unit should be soldered to ground plane of circuit board for optimum performance TRUTH TABLE 1 2 3 4 1 Input Coupled Isolated Out 2 Coupled In Out Isolated 3 Isolated Out Input Coupled 4 Out Isolated Coupled Input Merrimac Industries / 41 Fairfield Place, West Caldwell, NJ 07006 Tel: 1.888.434.MMFM / Fax: 973.882.5990 / Email: [email protected] / www.merrimacind.com